Vibrator



FIG. 1 is a front left perspective view of our new design for a vibrator;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figures are for the purposes of illustrating portions of the vibrator which form no part of the claimed design. 

CLAIM The ornamental design for a vibrator, as shown and described. 